| Abstract / Kurzbeschreibung: |
We lay out the design of HasCASL, a higher order extension of the
algebraic specification language CASL that serves both as a
wide-spectrum language for the rigorous specification and
development of software, in particular but not exclusively in modern
functional programming languages, and as an expressive standard
language for higher-order logic. Distinctive features of HasCASL
include partial higher order functions, higher order subtyping,
shallow polymorphism, and an extensive type-class
mechanism. Moreover, HasCASL provides dedicated specification
support for monad-based functional-imperative programming with
generic side effects, including a monad-based generic Hoare logic.
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